Home / 1,458,172.80-2,011,469.76-854,444.16

Finding the Fourth Proportional to 1,458,172.80, 2,011,469.76 and 854,444.16

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Solution

The fourth proportional to 1,458,172.80, 2,011,469.76 and 854,444.16 is: 1,178,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,172.80 : 2,011,469.76 = 854,444.16 : x
  2. Step 2: Convert to fraction form
    1,458,172.80/2,011,469.76 = 854,444.16/x
  3. Step 3: Cross multiply
    1,458,172.80x = 2,011,469.76 × 854,444.16
  4. Step 4: Simplify right side
    1,458,172.80x = 1,718,688,589,448.60
  5. Step 5: Solve for x
    x = 1,718,688,589,448.60/1,458,172.80
  6. Step 6: Final answer
    x = 1,178,659.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.